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Comparison of domain-independent and domain-specific location predictors with campus-wide Wi-Fi mobility data
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Date
2010
Author
Karakoç, Mücahit
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In mobile computing systems, predicting the next location of a mobile wireless user has gained interest over the past decade. Location prediction may have a wide-range of application areas such as network load balancing, advertising and web page prefetching. In the literature, there exist many location predictors which are divided into two main classes: domain-independent and domain-specific. Song et al. compare the prediction accuracy of the domain-independent predictors from four major families, namely, Markov-based, compression-based, PPM and SPM predictors on Dartmouth's campus-wide Wi-Fi mobility data. As a result, the low-order Markov predictors are found as the best predictor. In another work, Bayir et al. propose a domain-specific location predictor (LPMP) as the application of a framework used for discovering mobile cell phone user profiles. In this thesis, we evaluate LPMP and the best Markov predictor with Dartmouth's campus-wide Wi-Fi mobility data in terms of accuracy. We also propose a simple method which improves the accuracy of LPMP slightly in the location prediction part of LPMP. Our results show that the accuracy of the best Markov predictor is better than that of LPMP in total. However, interestingly, LPMP yields more accurate results than the best Markov predictor does for the users with the low prediction accuracy.
Subject Keywords
Analysis.
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http://etd.lib.metu.edu.tr/upload/12612402/index.pdf
https://hdl.handle.net/11511/19923
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Graduate School of Natural and Applied Sciences, Thesis
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M. Karakoç, “Comparison of domain-independent and domain-specific location predictors with campus-wide Wi-Fi mobility data,” M.S. - Master of Science, Middle East Technical University, 2010.